16889317776 has 200 divisors, whose sum is σ = 51377537024. Its totient is φ = 5349576960.

The previous prime is 16889317771. The next prime is 16889317847. The reversal of 16889317776 is 67771398861.

It is not an unprimeable number, because it can be changed into a prime (16889317771) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2057841 + ... + 2066031.

Almost surely, 2^16889317776 is an apocalyptic number.

16889317776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16889317776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25688768512).

16889317776 is an abundant number, since it is smaller than the sum of its proper divisors (34488219248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16889317776 is a wasteful number, since it uses less digits than its factorization.

16889317776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8291 (or 8276 counting only the distinct ones).

The product of its digits is 21337344, while the sum is 63.

The spelling of 16889317776 in words is "sixteen billion, eight hundred eighty-nine million, three hundred seventeen thousand, seven hundred seventy-six".